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05-15-2017, 07:02 PM | #1 |
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Join Date: May 2010
Location: Alto, Tx.
Posts: 299
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Weist pin sizrs
Is there any difference in the wrist pin end of a 21-a con. rod and a con.-rod from a 59-a engine? ( I don;t have the pn. ). In other words are the two wrist pins the same O>D>? Thanks in advance. Jim
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05-15-2017, 07:52 PM | #2 |
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Join Date: May 2010
Location: Alabama
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Re: Weist pin sizrs
Yes
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05-15-2017, 09:00 PM | #3 |
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Join Date: Jan 2011
Location: Central Ohio
Posts: 5,108
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Re: Weist pin sizrs
If you're talking about the con-rod little end - they are both designed for the standard .750 flathead pin - no difference that I know (as far as the ID of the little-end bushing). Now the real question is . . . what are you trying to do???
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05-15-2017, 09:26 PM | #4 |
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Join Date: May 2010
Location: Alto, Tx.
Posts: 299
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Re: Weist pin sizrs
I'm thinking of building a 284 ci, using 21-a rods and a offset ground 4" merc crank. I was just asking about wrist pin or rod little end sizes. Thanks for the comeback. Jim
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05-16-2017, 08:20 AM | #5 |
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Join Date: Jan 2011
Location: Central Ohio
Posts: 5,108
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Re: Weist pin sizrs
Hey Jim - just built a really stout 284 cubic inch engine . . . using the combination you're talking about. If you run the 21A rods, try to find a NOS set (instead of having an old set rebuilt). You'll be further ahead in the long run. Also, if you can find a set of STD Cadmium Silver rod bearings (Heavy Duty Truck and Bus) - I like them a lot more than the harder "copper" style ones. Good luck! If you need any help, just PM me.
B&S Here is a very detailed thread on all aspects of the build - on the HAMB: https://www.jalopyjournal.com/forum/...-build.862832/ 13719494_10153740475862864_8626741441507731759_o copy.jpg |
05-16-2017, 12:53 PM | #6 |
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Location: Chester Vt
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Re: Weist pin sizrs
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